Hyundai i40 (2015) is 397 mm (15.63 inch) longer, 178 mm (7.01 inch) higher and has 320 liters (11.30 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 45 mm (1.77 inch) wider and 63 kg (139 lbs) lighter than Hyundai i40 (2015).